TRENDBOX LCD Digital Wind Speed Gauge Meter Anemometer Thermometer GM816 Automatic Electronic Tester Pocket Portable Handheld LED back light design for operation under poor illumination. The wind meter features an ergonomic design, built in backlight, neck lanyard, and soft carrying case. Other features include wind hold mode, wind average mode, and low battery indicator. Professional to measure air velocity and air temperature accurately. This handy palm sized anemometer with strap for convenient carrying.